9.
Depth Sort <ul><li>Comments </li></ul><ul><ul><li>O( n log n ) </li></ul></ul><ul><ul><li>Intersecting polygons must be subdivided </li></ul></ul><ul><ul><li>Sort order has lots of frame-to-frame coherence during walkthroughs </li></ul></ul><ul><ul><li>Must fully compute every pixel for every polygon </li></ul></ul><ul><ul><li>Used most often with BSP or static list-ordering </li></ul></ul>

13.
Z-Buffer <ul><li>Comments </li></ul><ul><ul><li>Polygons can be rasterized in any order </li></ul></ul><ul><ul><li>Requires lots of memory </li></ul></ul><ul><ul><li>Requires per pixel processing, subject to aliasing (A-buffer) </li></ul></ul><ul><ul><li>Commonly implemented in hardware </li></ul></ul>